Home / 784,878.66-1,083,002.19-462,544.98

Finding the Fourth Proportional to 784,878.66, 1,083,002.19 and 462,544.98

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Solution

The fourth proportional to 784,878.66, 1,083,002.19 and 462,544.98 is: 638,235.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,878.66 : 1,083,002.19 = 462,544.98 : x
  2. Step 2: Convert to fraction form
    784,878.66/1,083,002.19 = 462,544.98/x
  3. Step 3: Cross multiply
    784,878.66x = 1,083,002.19 × 462,544.98
  4. Step 4: Simplify right side
    784,878.66x = 500,937,226,313.51
  5. Step 5: Solve for x
    x = 500,937,226,313.51/784,878.66
  6. Step 6: Final answer
    x = 638,235.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.